Details

Description

Minimal reproduction:

(go (loop [] (case 1 1 (recur))))

Produces error:

IllegalArgumentException No implementation of method: :emit-instruction of protocol: #'clojure.core.async.impl.ioc-macros/IEmittableInstruction found for class: clojure.core.async.impl.ioc_macros.Jmp clojure.core/-cache-protocol-fn (core_deftype.clj:541)